Ernest DiGregorio, also known as "Ernie D.", is an American former professional basketball player. He played in the National Basketball Association (NBA) for the Buffalo Braves, Los Angeles Lakers, and Boston Celtics from 1973 to 1978.

The Buffalo Braves were an American professional basketball franchise based in Buffalo, New York. The Braves competed in the National Basketball Association (NBA) as a member club of the league's Eastern Conference Atlantic Division from 1970 until 1978. In 1978, Braves owner John Y. Brown Jr. swapped franchises with then-Boston Celtics owner Irv Levin, who then moved the team to San Diego, where it was renamed the San Diego Clippers. The franchise relocated to Los Angeles in 1984, becoming the Los Angeles Clippers.